Comb



FIG. 1 is a perspective of a comb showin my design;

FIG. 2 is a front elevation thereof, the rear elevation being a mirror image of the front;

FIG. 3 is a right side elevation thereof, the left elevation being a mirror image of the right;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a comb, as shown and described. 